Question

Which of the following statements is / are true for P4S3 molecule ?

(A) It conatins six P-S bonds and three P-P bonds

(B) It contains six P-S bonds and ten lone pairs.

(C) It has all atoms sp3 hybridised.

(D) It contains six P-P bonds and ten lone pairs.

Answer 1

B). is correct. it contains six p-s bonds and ten lone pairs.

Answer 2

OPTION (A), (B), AND (C) ARE CORRECT.

(A) It conatins six P-S bonds and three P-P bonds

(B) It contains six P-S bonds and ten lone pairs.

(C) It has all atoms sp3 hybridised.

Explanation:

• The common name of $P_{4} S_{3}$ is Phosphorous sesquisulfide. Its IUPAC name is 3,5,7-trithia-1,2,4,6 tetraphosphatricyclo [2.2.1.0^{2,6}]heptane.
• Phosphorous has 1 lone pair, there are 4 phosphorous atoms so there are 4 lone pairs.
• Sulfur has 2 lone pairs, 3 sulfur atoms are present so 6 more lone pairs are present.
• A total of 10 lone pairs are present.
• There are six P-S bonds and 3 P-P bonds.
• The hybridization of all Phosphorous and Sulfur atoms is $sp^{3}$.
• Therefore, option (A), (B) and (C) are correct statements.